Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutSpec= SmartNET Silica Capacitive seams keep you connected MFPN=FTA-12-120-1.5

Shimano GRX RD RX827 SGS Di2 Wireless Rear Derailleur 12 Speed Long Cage Shadow ES BLK CheckoutSpec= SmartNET Silica Capacitive seams keep you connected MFPN=FTA 12 120 1.5 Capacitive seams keep you connected with your touchscreen devices Finger Style Full Finger Season Warm Weather Touch Screen Compatible Yes Gender Age Unisex Color Gray Padding None Size X Large Insulation Type None Defined Color Gray Color Gray Chainring BCD 110 Tucked safely inside an enclosed space the battery won’t budge even in rough terrain while remaining easily removable for charging Largest Cog 51 Rear Der Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Chain Wrap Capacity (teeth) 41 Cage Length Long Color Black Fully wireless shifting built for rough gravel terrain